Rieju RR125: history, specs, pictures

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Rieju RR125
Manufacturer
Also called RR125 Fun Bike, RR 125 Fun Bike
Production 1998
Engine
single cylinder, two-stroke
Bore / Stroke 56.0mm x 50.6mm
Top Speed 50 mph (80 km/h)
Horsepower 9.25 HP (6.9 KW) @ 7200RPM
Fuel System carburetor. dell´ortho phbl 26
Ignition electric
Transmission Gear box: 6-speed

Final Drive: chain

Clutch: wet plate
Suspension Front: inverted forks 32mm showa®
Rear: monoshock gas
Brakes Front: single disc. ajp
Rear: single disc. ajp 2 piston
Front Tire 80/69-j56
Rear Tire 110/62-61j
Weight 209.44 pounds (95.0 Kg) (dry),
Fuel Capacity 1.45 Gallon (5.50 Liters)
Manuals Service Manual


The Rieju RR125 Fun Bike was a single cylinder, two-stroke standard produced by Rieju in 1998. It could reach a top speed of 50 mph (80 km/h). Claimed horsepower was 9.25 HP (6.9 KW) @ 7200 RPM.

Engine[edit | edit source]

The engine was a liquid cooled single cylinder, two-stroke. A 56.0mm bore x 50.6mm stroke result in a displacement of just 125.0 cubic centimeters. Fuel was supplied via a membrane.

Drive[edit | edit source]

The bike has a 6-speed transmission. Power was moderated via the wet plate.

Chassis[edit | edit source]

It came with a 80/69-j56 front tire and a 110/62-61j rear tire. Stopping was achieved via single disc. ajp in the front and a single disc. ajp 2 piston in the rear. The front suspension was a inverted forks 32mm showa® while the rear was equipped with a monoshock gas. The RR125 Fun Bike was fitted with a 1.45 Gallon (5.50 Liters) fuel tank. The bike weighed just 209.44 pounds (95.0 Kg).